package com.ruoyi.patient.service;

import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.exception.user.BlackListException;
import com.ruoyi.common.exception.user.UserNotExistsException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.security.context.AuthenticationContextHolder;
import com.ruoyi.framework.web.service.SysPasswordService;
import com.ruoyi.patient.entity.LoginPatient;
import com.ruoyi.patient.entity.login.WechatUser;
import com.ruoyi.service.domain.ServiceUsers;
import com.ruoyi.service.mapper.ServiceAppinfoMapper;
import com.ruoyi.service.mapper.ServiceUsersMapper;
import com.ruoyi.service.service.IServiceUsersService;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
import java.util.Date;

/**
 * 登录校验方法
 * 
 * @author ruoyi
 */
@Component
public class PatientLoginService
{
    @Autowired
    private PatientTokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;
    
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private IServiceUsersService usersService;

    private static final Logger log = LoggerFactory.getLogger(PatientLoginService.class);

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private ServiceAppinfoMapper appinfoMapper;

    @Autowired
    private ServiceUsersMapper usersMapper;

    @Qualifier("patientRestTemplate")
    @Autowired
    private RestTemplate restTemplate;

    /**
     * 登录验证
     * 
     * @param username 用户名
     * @param password 密码
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    //public String login(String username, String password, String code, String uuid)
    //{
    //    // 验证码校验
    //    validateCaptcha(username, code, uuid);
    //    // 登录前置校验
    //    loginPreCheck(username, password);
    //    // 用户验证
    //    Authentication authentication = null;
    //    try
    //    {
    //        UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
    //        AuthenticationContextHolder.setContext(authenticationToken);
    //        // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
    //        authentication = authenticationManager.authenticate(authenticationToken);
    //    }
    //    catch (Exception e)
    //    {
    //        if (e instanceof BadCredentialsException)
    //        {
    //            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
    //            throw new UserPasswordNotMatchException();
    //        }
    //        else
    //        {
    //            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
    //            throw new ServiceException(e.getMessage());
    //        }
    //    }
    //    finally
    //    {
    //        AuthenticationContextHolder.clearContext();
    //    }
    //    AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
    //    LoginUser loginUser = (LoginUser) authentication.getPrincipal();
    //    recordLoginInfo(loginUser.getUserId());
    //    // 生成token
    //    return tokenService.createToken(loginUser);
    //}

    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @param code 验证码
     * @param uuid 唯一标识
     * @param loginFlag 类型标识
     * @return 结果
     */
    public String loginApp(String username, String password, String code, String uuid, int loginFlag)
    {
        // 验证码校验
        validateCaptcha(username, code, uuid);
        // 登录前置校验
        loginPreCheck(username, password);
        // 用户验证
        Authentication authentication = null;
        ServiceUsers user = null;
        try
        {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            if(loginFlag == 1){//外部用户登录
                user = usersService.selectServiceUsersByUsersTelephone(username);
                if (StringUtils.isNull(user))
                {
                    log.info("登录用户：{} 不存在.", username);
                    throw new ServiceException(MessageUtils.message("user.not.exists"));
                }
                if (!user.getNursePassword().equals(password)){
                    throw new UserPasswordNotMatchException();
                }
                else if ("1".equals(user.getUsersDelFlag()))
                {
                    log.info("登录用户：{} 已被删除.", username);
                    throw new ServiceException(MessageUtils.message("user.password.delete"));
                }
                else if ("1".equals(user.getUsersUseFlag()))
                {
                    log.info("登录用户：{} 已被停用.", username);
                    throw new ServiceException(MessageUtils.message("user.blocked"));
                }
                //passwordService.validate(user);
                //return createLoginUser(user);

            }else{//医院端登录

            }
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            //authentication = authenticationManager.authenticate(authenticationToken);
        }
        catch (Exception e)
        {
            if (e instanceof BadCredentialsException)
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            }
            else
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        }
        finally
        {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginPatient loginPatient = new LoginPatient(user.getUsersId(), user);
        //LoginPatient loginUser = (LoginPatient) authentication.getPrincipal();
        recordLoginInfo(user.getUsersId());
        // 生成token
        return tokenService.createTokenPatient(loginPatient);
    }

    /**
     * 校验验证码
     * 
     * @param username 用户名
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid)
    {
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled)
        {
            String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
            String captcha = redisCache.getCacheObject(verifyKey);
            if (captcha == null)
            {
                //AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
                //throw new CaptchaExpireException();
            }
            redisCache.deleteObject(verifyKey);
            if (!code.equalsIgnoreCase(captcha))
            {
                //AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
                //throw new CaptchaException();
            }
        }
    }

    /**
     * 登录前置校验
     * @param username 用户名
     * @param password 用户密码
     */
    public void loginPreCheck(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("not.null")));
            throw new UserNotExistsException();
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // IP黑名单校验
        String blackStr = configService.selectConfigByKey("sys.login.blackIPList");
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr()))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("login.blocked")));
            throw new BlackListException();
        }
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId)
    {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr());
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }

    /**
     * 微信登录验证
     */
    @Transactional
    public String wxLogin(String code, String openId, String sessionKey, String appid, String secret)
    {
        // 用户验证
        Authentication authentication = null;
        ServiceUsers user = null;
        try
        {
            user = usersMapper.selectServiceUsersByOpenId(openId);
            if (StringUtils.isNull(user))
            {
                // 获取token
                String token_url = String.format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s", appid, secret);
                JSONObject token = JSON.parseObject(HttpUtil.get(token_url));
                ServiceUsers newUser = new ServiceUsers();
                newUser.setUsersOpenid(openId);
                newUser.setUsersSessionkey(sessionKey);
                newUser.setUsersCurrentlogintime(new Date());
                newUser.setUsersCreateTime(new Date());
                newUser.setUsersUpdateTime(new Date());
                newUser.setNurseLoginIp(IpUtils.getIpAddr());

                usersMapper.insertServiceUsers(newUser);

            }else{
                UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(user.getUsersName(), user.getNursePassword());
                AuthenticationContextHolder.setContext(authenticationToken);

                if ("1".equals(user.getUsersDelFlag()))
                {
                    log.info("登录用户：{} 已被删除.", user.getUsersName());
                    throw new ServiceException(MessageUtils.message("user.password.delete"));
                }
                else if ("1".equals(user.getUsersUseFlag()))
                {
                    log.info("登录用户：{} 已被停用.", user.getUsersName());
                    throw new ServiceException(MessageUtils.message("user.blocked"));
                }
            }
        }
        catch (Exception e)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(openId, Constants.LOGIN_FAIL, e.getMessage()));
            throw new ServiceException(e.getMessage());
        }
        finally
        {
            AuthenticationContextHolder.clearContext();
        }
        user = usersMapper.selectServiceUsersByOpenId(openId);
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(openId, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginPatient loginPatient = new LoginPatient(user.getUsersId(), user);
        //LoginPatient loginUser = (LoginPatient) authentication.getPrincipal();
        recordLoginInfo(user.getUsersId());
        // 生成token
        return tokenService.createTokenPatient(loginPatient);
    }

    /**
     * 微信手机号维护
     */
    @Transactional
    public Boolean wxPhone(WechatUser wechatUser, String openId, String phoneNumber){
        try{
            ServiceUsers user = usersMapper.selectServiceUsersByOpenId(openId);
            if (StringUtils.isNull(user)){
                return false;
            }else {
                //user.setUsersName(wechatUser.getNickName());
                user.setUsersName(phoneNumber);
                user.setNurseAvatar(wechatUser.getHeadimgurl());
                user.setNurseSex("0".equals(wechatUser.getSex()) ? "1" : "0");
                user.setUsersTelephone(phoneNumber);
                user.setUsersCurrentlogintime(new Date());
                user.setUsersUpdateTime(new Date());
                usersMapper.updateServiceUsers(user);
                return true;
            }
        }catch (Exception e){
            return false;
        }
    }

}
